ATMEGA645-16MU Atmel, ATMEGA645-16MU Datasheet - Page 79

• Manufacturer Part Number: ATMEGA645-16MU
• Description: IC AVR MCU FLASH 64K 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645-16MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, UART, USI
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 64MLF EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 16 MHz
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.3.7
2570M–AVR–04/11
Alternate Functions of Port J
Table 13-18. Overriding Signals for Alternate Functions in PH3:0
Port J is only present in ATmega3250/6450. The alternate pin configuration is as follows:
Table 13-19. Port J Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT30 – Port J, Bit 6
PCINT30, Pin Change Interrupt Source 30: The PE30 pin can serve as an external interrupt
source.
• PCINT29 – Port J, Bit 5
PCINT29, Pin Change Interrupt Source 29: The PE29 pin can serve as an external interrupt
source.
• PCINT28 – Port J, Bit 4
PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external interrupt
source.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PH3/PCINT19
0
0
0
0
0
0
–
PCINT19 •
PCIE0
0
PCINT19 INPUT
–
Alternate Function
PCINT30 (Pin Change Interrupt30)
PCINT29 (Pin Change Interrupt29)
PCINT28 (Pin Change Interrupt28)
PCINT27 (Pin Change Interrupt27)
PCINT26(Pin Change Interrupt26)
PCINT25(Pin Change Interrupt25)
PCINT24 (Pin Change Interrupt26)
PH2/PCINT18
0
0
0
0
0
0
–
PCINT18 •
PCIE0
0
PCINT18 INPUT
–
ATmega325/3250/645/6450
PH1/PCINT17
0
0
0
0
0
0
–
PCINT17 •
PCIE0
0
PCINT17 INPUT
–
PH0/PCINT16
0
0
0
0
0
0
–
PCINT16 •
PCIE0
0
PCINT16 INPUT
–
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